Senior IT System Administrator

Startdate; Calgary; On-site; CAD 90,000 - 125,000; Full time

Job summary

PetroChina Canada is seeking a Senior IT System Administrator to oversee comprehensive management, maintenance, and security of IT and OT infrastructure. You will deploy and maintain servers, storage (NetApp), backups (Commvault/Veeam/Azure Backup), and virtualization (VMware) across cloud and on-prem environments in Alberta.

You will manage AD and Azure Entra ID, hybrid Exchange, and Microsoft 365, while ensuring compliance and documentation.

Qualifications

• 10+ years of hands-on experience with the listed Microsoft technologies and storage/backup solutions.
• Experience deploying and managing hybrid Exchange environments and Microsoft 365 services.
• Knowledge of security, audits, and compliance activities in enterprise IT.

Responsibilities

• Manage server and storage infrastructure across IT and OT environments, including cloud and on-premises systems.
• Oversee user accounts and access management (AD, Azure Entra ID, SSO) with regular access reviews.
• Monitor system health, performance, backups, and documentation; respond to incidents.
• Administer backup/recovery systems (Commvault, Veeam, Azure Backup) and perform DR planning.
• Maintain Microsoft 365 services (Exchange Online, Teams, SharePoint) and hybrid configurations.
• Support meeting room IT equipment and AV assets; coordinate upgrades and asset inventories.
• Provide second-tier support for infrastructure issues and contribute to knowledge sharing.

Skills

Active Directory

Windows Server

Hybrid Exchange

Microsoft 365

Azure Entra ID

IT security

System monitoring

Disaster recovery

Education

Post-secondary diploma or degree in Computer Science/IT or related field

Tools

VMware

NetApp

Commvault

Veeam

Azure Backup

XenApp/XenDesktop

ADC/NetScaler

Job description

PetroChina Canada(PCC) is a wholly owned subsidiary of PetroChina Company Limited which ispartially owned by China National Petroleum Corporation (CNPC), a state-ownedenterprise. CNPC is China's largest oil company and the world's third largestoil company, operating 91 energy-related projects in over 35 countries andregions. PCC has invested billions of dollars in an asset-rich portfolio ofupstream, midstream and downstream operations. In Alberta, this includes ourMacKay River and Dover oilsands projects, Duvernay Shale Gas and a 50% interestin the Grand Rapids Pipeline. In British Columbia, we hold joint ventureinterests in the Groundbirch tight gas project and LNG Canada.

TheSeniorITSystem Administrator isresponsible for comprehensive management, maintenance, and security of theorganization’s IT and OT system infrastructure, including servers, storagesystems, operating systems, user access, M365 and meeting room ITequipment.This role ensures system reliability, performance, and compliance throughregular inspections, proactive monitoring, and structured administrativeprocesses.

Accountabilities

Theaccountabilities of this role include, but are not limited to:

1.Server & Storage Infrastructure Management

• Deploy,configure, and maintain virtual and physical servers across corporate IT and OT environments, about 100 virtual servers on Azure/AWS cloud, about 100 virtualservers on premises, about 20 physical servers
• Manage storagesolutions (e.g., NetApp) including provisioning, capacity planning, andperformance optimization.
• Conduct regularhealth checks on physical servers and storage hardware; identify and replacefailed components.
• Maintain andmonitor virtualization platforms (e.g., VMware) to ensure efficient utilizationof CPU, memory, storage, and network resources.

2. User & Access Management

• Manage the fulllifecycle of about 300 user accounts across systems covering Active Directory,Azure Entra ID, including creation, modification,synchronization, and deactivation.
• Ensure timely andaccurate updates to access rights based on role changes or employee status.
• Perform regularaccess reviews and audits to maintain security and compliance.
• Administer identity/accounts with Active Directory, Azure Entra ID, perform directorysynchronization, identity federation by SSO, and troubleshoot related issues.

3.System Monitoring & Routine Inspections

• Perform scheduledsystem inspections (daily/weekly/monthly) to verify server health, storagestatus, and backup integrity.
• Monitor systemavailability and performance using standard tools; respond to alerts andanomalies.
• Proactivelyidentify potential issues (e.g., capacity thresholds, hardware warnings) andrecommend corrective actions.
• Maintain systemdocumentation, including configuration baselines, inspection logs, and changerecords.

4.Backup, Recovery & Business Continuity

• Administer backupand recovery systems (e.g., Commvault, Veeam, Azure Backup) for both IT and OTenvironments.
• Regularly testbackup restoration processes to ensure data recoverability.
• Participate indisaster recovery planning and execution as needed.
• Recommend and provide procurementrequirements to ensure business continuity

5.Security & Compliance Support

• Supportvulnerability scanning and penetration testing activities; apply patches andsecurity updates as required.
• Ensure server, storage and accounts configurations align with internal securitypolicies.
• Assist in auditpreparations and remediation of security findings.

6.Microsoft Platform Support

• Administer andsupport Microsoft 365 (ExchangeOnline, Teams, OneDrive, SharePoint Online)
• Manage hybridExchange setup and administration.
• Manage M365 user and license

7. MeetingRoom IT Equipment Administration

• Manage the fulllifecycle of meeting room IT equipment, including projectors, displaysconference cameras, microphones, speakers, and other audiovisual (AV) devices.
• Plan andcoordinate equipment upgrade and replacement projects, including requirementgathering, vendor selection, procurement, budget coordination, organizing installation and testing.
• Maintain anup-to-date inventory of meeting room IT assets, including device models,purchase dates, warranty status, and replacement schedules.

8. Helpdesk Escalation & Team Collaboration

• Act assecond-tier support for helpdesk escalations related to servers, access,storage, and Microsoft 365.
• Collaborate withother IT team members to resolve complex infrastructure issues.
• Participate in knowledge transfer anddocumentation to improve team efficiency.

Qualifications

• Post-secondary diploma or degree in ComputerScience, Information Technology, Computer Engineering, or a related field; orequivalent combination of education and relevant work experience.
• Minimum of 10 years of hands-on experience workingwith the following technologies:
• Microsoft technologies: ActiveDirectory, Windows Server, hybrid Exchange
• Storage solutions: NetApp
• Backup and recovery systems:Commvault, Veeam, and Azure Backup
• Citrix technologies: XenApp,XenDesktop, and ADC/NetScaler
• Microsoft 365: ExchangeOnline, Teams, OneDrive, and SharePoint Online
• Demonstrated adoptionof PetroChinaCanada’s Values: Honorable, Unified, Passionate, Accountable

About Us

PetroChina Canada (PCC) is awholly owned subsidiary of PetroChina Company Limited which is partially owned by China National Petroleum Corporation(CNPC), a state-owned enterprise. CNPCis China's largest oil company and the world's third largest oil company,operating 91 energy-related projects in over 35 countries and regions. PCC hasinvested billions of dollars in an asset-rich portfolio of upstream, midstreamand downstream operations. In Alberta, this includes our MacKay River and Doveroilsands projects, Duvernay Shale Gas and a 50% interest in the Grand RapidsPipeline. In British Columbia, we hold joint venture interests in theGroundbirch tight gas project and LNG Canada.